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Finding the Fourth Proportional to 500,754.00, 751,131.94 and 121,675.05

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Solution

The fourth proportional to 500,754.00, 751,131.94 and 121,675.05 is: 182,512.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,754.00 : 751,131.94 = 121,675.05 : x
  2. Step 2: Convert to fraction form
    500,754.00/751,131.94 = 121,675.05/x
  3. Step 3: Cross multiply
    500,754.00x = 751,131.94 × 121,675.05
  4. Step 4: Simplify right side
    500,754.00x = 91,394,018,734.82
  5. Step 5: Solve for x
    x = 91,394,018,734.82/500,754.00
  6. Step 6: Final answer
    x = 182,512.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.